public void DumpError(Packet packet)
{
MemoryStream ms = new MemoryStream(packet.GetPayload());
NetworkByteReader nbr = new NetworkByteReader(ms);
nbr.ReadByte();
nbr.ReadUInt32();
string xxx = nbr.ReadString();
}
public void SendPacket(ICryptoTransform encryptor, Packet packet)
{
byte[] payload = packet.GetPayload();
int blocksize = 16;
if (encryptor == null)
{
uint size = (uint)payload.Length;
size += 5;
size = (uint)((size + blocksize) / blocksize * blocksize);
uint packet_length = size - 4;
byte padding_length = (byte)(size - 5 - payload.Length);
MemoryStream ms = new MemoryStream();
NetworkByteWriter nbw = new NetworkByteWriter(ms);
nbw.WriteUInt32(packet_length);
nbw.WriteByte(padding_length);
nbw.WriteBytes(payload);
for (int i = 0; i < padding_length; i++ ) nbw.WriteByte(0x0C);
nbw.Flush();
writer.WriteBytes(ms.ToArray());
writer.Flush();
}
else
{
blocksize = Math.Max(encryptor.InputBlockSize, blocksize);
uint size = (uint)payload.Length;
size += (5 + (uint)encryptor.InputBlockSize);
size = (uint)((size + blocksize) / blocksize * blocksize);
uint packet_length = size - 4;
byte padding_length = (byte)(size - 5 - payload.Length);
MemoryStream ms = new MemoryStream();
NetworkByteWriter nbw = new NetworkByteWriter(ms);
nbw.WriteUInt32(packet_length);
nbw.WriteByte(padding_length);
nbw.WriteBytes(payload);
for (int i = 0; i < padding_length; i++) nbw.WriteByte(0x0C);
nbw.Flush();
// compute mac
byte[] cache = ms.ToArray();
MemoryStream ms_mac = new MemoryStream();
NetworkByteWriter nbw_mac = new NetworkByteWriter(ms_mac);
nbw_mac.WriteUInt32((uint)sequence);
nbw_mac.WriteBytes(cache);
nbw_mac.Flush();
byte[] mac = crypto_mac_encryptor.ComputeHash(ms_mac.ToArray());
crypto_encryptor.TransformBlock(cache, 0, cache.Length, cache, 0);
writer.WriteBytes(cache);
writer.Flush();
if (crypto_mac_encryptor != null)
{
writer.WriteBytes(mac);
}
}
sequence++;
}
public void DumpError(Packet packet)
{
MemoryStream ms = new MemoryStream(packet.GetPayload());
NetworkByteReader nbr = new NetworkByteReader(ms);
nbr.ReadByte();
nbr.ReadUInt32();
string xxx = nbr.ReadString();
}
public Packet(Packet p)
{
SetPayload(p.GetPayload());
}
public Packet(Packet p)
{
SetPayload(p.GetPayload());
}
public void SendPacket(ICryptoTransform encryptor, Packet packet)
{
byte[] payload = packet.GetPayload();
int blocksize = 16;
if (encryptor == null)
{
uint size = (uint)payload.Length;
size += 5;
size = (uint)((size + blocksize) / blocksize * blocksize);
uint packet_length = size - 4;
byte padding_length = (byte)(size - 5 - payload.Length);
MemoryStream ms = new MemoryStream();
NetworkByteWriter nbw = new NetworkByteWriter(ms);
nbw.WriteUInt32(packet_length);
nbw.WriteByte(padding_length);
nbw.WriteBytes(payload);
for (int i = 0; i < padding_length; i++)
{
nbw.WriteByte(0x0C);
}
nbw.Flush();
writer.WriteBytes(ms.ToArray());
writer.Flush();
}
else
{
blocksize = Math.Max(encryptor.InputBlockSize, blocksize);
uint size = (uint)payload.Length;
size += (5 + (uint)encryptor.InputBlockSize);
size = (uint)((size + blocksize) / blocksize * blocksize);
uint packet_length = size - 4;
byte padding_length = (byte)(size - 5 - payload.Length);
MemoryStream ms = new MemoryStream();
NetworkByteWriter nbw = new NetworkByteWriter(ms);
nbw.WriteUInt32(packet_length);
nbw.WriteByte(padding_length);
nbw.WriteBytes(payload);
for (int i = 0; i < padding_length; i++)
{
nbw.WriteByte(0x0C);
}
nbw.Flush();
// compute mac
byte[] cache = ms.ToArray();
MemoryStream ms_mac = new MemoryStream();
NetworkByteWriter nbw_mac = new NetworkByteWriter(ms_mac);
nbw_mac.WriteUInt32((uint)sequence);
nbw_mac.WriteBytes(cache);
nbw_mac.Flush();
byte[] mac = crypto_mac_encryptor.ComputeHash(ms_mac.ToArray());
crypto_encryptor.TransformBlock(cache, 0, cache.Length, cache, 0);
writer.WriteBytes(cache);
writer.Flush();
if (crypto_mac_encryptor != null)
{
writer.WriteBytes(mac);
}
}
sequence++;
}
